Plugging device



port, the-,fingers of each pair'being in mutual e electrical, contact with each other when the e' ,device is not in use;l Vase'oondary insulating r support; apairof active members carried by j #5 said secondary support, and' insulated from each other, said members being adapted .tov g Vseparateanti Contact with any pair of saidV fingers; and inactive membersadapted toV separate the lingersA of all the other pairs of im fingers carried bysaid rimaryinsulating j' supports, to insulateit'hehn'gers of each pair `from each other,-said vactivejand inactive members being so' formed that the inactive Y 4 membersdo not separate the inactive n'gers v ,5. until after the active members have separated Y Y`the active ingers and made a goodeleotrioal i* Contact therewith. v g In testimony whereof, wezhave hereunto set` W:our vhands at 'Los Angeles, California, this f o A8th of May,'1923.

JOSEPH-7H.y PENGILIAI.y

ivERNoN BROWN.

Y65 ll. 

